Answer: The required number of dollars that Tommy get with 12 euros is 16.5 dollars.
Step-by-step explanation: Given that Tommy can exchange 8 euros for 11 dollars.
We are to find the number of dollars that Tommy get with 12 euros at the same rate.
We will be using the UNITARY method to solve the problem.
We have
Number of dollars that Tommy get with 8 euros = 11
So, number of dollars that Tommy get with 1 euro will be

Therefore, the number of dollars that Tommy get with 12 euros is given by

Thus, the required number of dollars that Tommy get with 12 euros is 16.5 dollars.